2871963 has 16 divisors (see below), whose sum is σ = 4505760. Its totient is φ = 1801728.

The previous prime is 2871961. The next prime is 2871971. The reversal of 2871963 is 3691782.

It is not a de Polignac number, because 2871963 - 2¹ = 2871961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2871961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2670 + ... + 3587.

It is an arithmetic number, because the mean of its divisors is an integer number (281610).

2^2871963 is an apocalyptic number.

2871963 is a deficient number, since it is larger than the sum of its proper divisors (1633797).

2871963 is a wasteful number, since it uses less digits than its factorization.

2871963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283 (or 6277 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2871963 is about 1694.6866967083. The cubic root of 2871963 is about 142.1432628073.

It can be divided in two parts, 28719 and 63, that added together give a palindrome (28782).

The spelling of 2871963 in words is "two million, eight hundred seventy-one thousand, nine hundred sixty-three".